Tag Archives: Terra Sirenum

THEMIS: False color scan across Terra Sirenum

Posted on May 26, 2017 by rburnham

THEMIS Image of the Day, May 26, 2017. Today’s false color image shows part of the plains and craters of Terra Sirenum. This long scan (see full size image at link) was taken not long after local sunrise. The THEMIS … Continue reading →

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THEMIS: False colors on Terra Sirenum plains

Posted on May 25, 2017 by rburnham

THEMIS Image of the Day, May 25, 2017. Today’s false color image shows part of the plains and craters in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways … Continue reading →

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THEMIS: Dunes besiege Terra Sirenum crater

Posted on May 17, 2017 by rburnham

THEMIS Image of the Day, May 17, 2017. Not all Martian sand dunes are located in craters. This VIS image shows dunes located on the plains of Terra Sirenum. More THEMIS Images of the Day by geological topic.

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THEMIS: Tectonics in Sirenum Fossae

Posted on May 3, 2017 by rburnham

THEMIS Image of the Day, May 3, 2017. Today’s false color image shows part of Sirenum Fossae. The linear depressions in this image, called graben, were formed by tectonic activity. The THEMIS VIS camera contains 5 filters. The data from … Continue reading →

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HiRISE: Colorful mounds, bedrock in Terra Sirenum

Posted on May 2, 2017 by rburnham

Colorful mounds and bedrock in Terra Sirenum. Beautiful Mars series.

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THEMIS: Varieties of geo-chaos in Gorgonum

Posted on May 2, 2017 by rburnham

THEMIS Image of the Day, May 2, 2017. Today’s false color image shows part of Gorgonum Chaos. Chaotic regions form when groundwater escapes to the surface, undermining it and causing the ground to collapse. The linear depression at the bottom … Continue reading →

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THEMIS: Newton Crater’s crater

Posted on April 24, 2017 by rburnham

THEMIS Image of the Day, April 24, 2017. Today’s false color image shows an unnamed crater located on the floor of Newton Crater in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be … Continue reading →

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HRSC: Crater triplets

Posted on April 6, 2017 by rburnham

At first glance this scene may seem nothing out of the ordinary, but the large elongated crater marks the imprint of an impacting body that may have broken into three before it hit Mars. The images were acquired by ESA’s … Continue reading →

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HiRISE: Possible chloride-rich deposits in Terra Sirenum

Posted on March 27, 2017 by rburnham

Possible chloride-rich deposits in Terra Sirenum. Beautiful Mars series.

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THEMIS: Active sand dunes in Sirenum crater

Posted on March 7, 2017 by rburnham

THEMIS Image of the Day, March 6, 2017. Today’s VIS image shows a field of dunes on the floor of an unnamed crater in Terra Sirenum. Their dark color indicates they are dust-free and suggests that the dune sands are … Continue reading →

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